Spodumene and Allanite Physical Properties

Spodumene

Allanite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.15-3.213.40-4.20

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Gemstones (2009)

Not Available

1.6 Cleavage

Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°

Not Available

1.7 Mohs Hardness

6-7Not Available

2 10

1.8 Chemical Composition

LiAlSi₂O₆

Not Available

Spodumene and Allanite Chemical Formula

While comparing Spodumene and Allanite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Spodumene and Allanite chemical formula.

Chemical formula of Spodumene- LiAlSi₂O₆

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Spodumene and Allanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spodumene and Allanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Allanite Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 3.40-4.20 whereas that of Allanite is 3.40-4.20.